Ultra sonic alarm detector



FIG. 1 is a front elevational view of an ultra sonic alarm detector showing our design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a cross-sectional view thereof taken along line 5--5 in FIG. 1;

FIG. 6 is a cross-sectional view thereof taken along line 6--6 in FIG. 1; and

FIG. 7 is a cross-sectional view thereof taken along line 7--7 in FIG. 2. 

The ornamental design for ultra sonic alarm detector, substantially as shown and described. 